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react

6 indexed repositories · View on GitHub

react
The library for web and native user interfaces.

JavaScript · 250608 stars
react-native
A framework for building native applications using React

C++ · 126662 stars
yoga
Yoga is an embeddable layout engine targeting web standards.

C++ · 18912 stars
metro
🚇 The JavaScript bundler for React Native

JavaScript · 5636 stars
react-strict-dom
React Strict DOM (RSD) standardizes the development of styled React components for web and native.

JavaScript · 3564 stars
react-native-website
The React Native website and docs

MDX · 2160 stars

Beginner friendly Everything

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FallbackWatcher: `#unregisterDir` rescans the whole directory registry per unlink, stalling the dev server on Windows Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

react/metro#1915 · 1 comment · Opened Sep 8, 2026
[Compiler Bug]: unused `const x = a?.b` becomes a bare `a?.b;` outside the memo block that declares `a` — ReferenceError at runtime Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

react/react#37540 · Opened Sep 7, 2026
[DevTools Bug]: Inspect button does not work with top-layer elements like <dialog> Open

Component: Developer Tools Status: Unconfirmed Type: Bug

Difficulty 3/5 1-2 days Newbie friendliness 68/100

react/react#37534 · 1 comment · 1 reaction · Opened Sep 7, 2026
[rust-compiler] Invariant errors logged with a different event shape than the TS reference Open

Difficulty 3/5 1-2 days Newbie friendliness 78/100

react/react#37533 · Opened Sep 7, 2026
[Android] Idle apps keep the Choreographer running at ~60 doFrames/s (zero work, zero frames rendered) — four frame callbacks re-arm unconditionally Open

Needs: Attention Needs: Repro

Difficulty 4/5 3-5 days Newbie friendliness 72/100

react/react-native#58367 · 5 comments · Opened Sep 6, 2026
[iOS][Fabric] Modal content rendered but absent from the accessibility tree — a recycled RCTViewComponentView keeps a stale accessibilityViewIsModal=YES Open

Difficulty 3/5 1-2 days Newbie friendliness 72/100

react/react-native#58361 · Opened Sep 6, 2026
[Android][0.87.1] numberOfLines crashes when a decorated nested Text range is outside the truncated layout Open

Needs: Triage :mag: Platform: Android

Difficulty 3/5 1-2 days Newbie friendliness 75/100

react/react-native#58356 · Opened Sep 6, 2026
Feature: support cross-file transform inputs with cache and watch invalidation Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

react/metro#1902 · 2 comments · Opened Sep 4, 2026
Bug: ESLint flags just refering (not calling) functions that use refs as accessing refs (react-hooks/refs) Open

Status: Unconfirmed

Difficulty 3/5 1-2 days Newbie friendliness 70/100

react/react#37521 · Opened Sep 4, 2026
iOS: ellipsizeMode="clip" renders RTL (Arabic) text as a mangled fragment at the line start Open

Needs: Triage :mag: Platform: iOS

Difficulty 4/5 3-5 days Newbie friendliness 42/100

react/react-native#58316 · Opened Sep 3, 2026
iOS: nested Text with mixed fonts + lineHeight paints glyphs shifted/clipped under tail truncation — while onTextLayout/onLayout report correct positions Open

Needs: Triage :mag: Platform: iOS

Difficulty 4/5 3-5 days Newbie friendliness 38/100

react/react-native#58315 · Opened Sep 3, 2026
[iOS][Fabric] SIGSEGV in createComponentViewWithComponentHandle: — unsynchronized map writes in _registerComponentIfPossible: race with main-thread mounting Open

Needs: Author Feedback Needs: Repro Needs: Version Info Platform: iOS Type: New Architecture

Difficulty 4/5 3-5 days Newbie friendliness 35/100

react/react-native#58299 · 3 comments · Opened Sep 3, 2026
Bug: Open

Status: Unconfirmed

Difficulty 5/5 Over a week Newbie friendliness 10/100

react/react#37512 · Opened Sep 2, 2026
[Compiler Bug]: refs false positive: passing obj.prop to a JSX ref attribute makes every other obj.* read a "ref access during render" Open

Difficulty 4/5 3-5 days Newbie friendliness 66/100

react/react#37507 · 4 comments · 1 reaction · Opened Sep 2, 2026
Stale computedFlexBasis is reused across layouts: a flex: 1 node keeps its previous size after relayout at a new root size Open

Difficulty 4/5 3-5 days Newbie friendliness 52/100

react/yoga#2019 · Opened Sep 2, 2026
Text with flex: 1 keeps its landscape height after rotating back to portrait (stale Yoga computedFlexBasis) Open

Difficulty 5/5 Over a week Newbie friendliness 48/100

react/react-native#58294 · Opened Sep 2, 2026
[Android][Fabric] Create mutation missing from an unflatten reparenting batch under remount churn — production evidence for the #47960 class (surface-killing) Open

Needs: Author Feedback Needs: Repro

Difficulty 5/5 Over a week Newbie friendliness 35/100

react/react-native#58265 · 1 comment · Opened Aug 31, 2026
NodeList.forEach drops an explicit null callback context Open

Needs: Author Feedback Needs: Repro

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

react/react-native#58242 · 1 comment · Opened Aug 30, 2026
DOMRect normalizes NaN and negative zero to zero Open

Needs: Author Feedback Needs: Repro

Difficulty 2/5 1-3 hours Newbie friendliness 65/100

react/react-native#58240 · 1 comment · Opened Aug 30, 2026
PerformanceObserver accepts invalid callbacks until delivery Open

Needs: Author Feedback Needs: Repro

Difficulty 3/5 1-2 days Newbie friendliness 55/100

react/react-native#58238 · 1 comment · Opened Aug 30, 2026
Stale MutationObserver records abort callbacks for active observers Open

Needs: Author Feedback Needs: Repro

Difficulty 3/5 1-2 days Newbie friendliness 65/100

react/react-native#58236 · 1 comment · Opened Aug 30, 2026
Stale IntersectionObserver entries abort callbacks for active observers Open

Needs: Author Feedback Needs: Repro

Difficulty 3/5 1-2 days Newbie friendliness 68/100

react/react-native#58234 · 1 comment · Opened Aug 30, 2026
XMLHttpRequest corrupts headers named after Object prototype properties Open

Needs: Author Feedback Needs: Repro

Difficulty 3/5 1-2 days Newbie friendliness 68/100

react/react-native#58232 · 1 comment · Opened Aug 30, 2026
Keyboard.addListener ignores its context argument Open

Needs: Author Feedback Needs: Repro

Difficulty 2/5 1-3 hours Newbie friendliness 76/100

react/react-native#58230 · 1 comment · Opened Aug 30, 2026
structuredClone coerces boxed primitives and flips false Boolean Open

Needs: Author Feedback Needs: Repro

Difficulty 3/5 1-2 days Newbie friendliness 68/100

react/react-native#58226 · 1 comment · Opened Aug 30, 2026
structuredClone reads user-overridden RegExp properties Open

Needs: Author Feedback Needs: Repro

Difficulty 3/5 1-2 days Newbie friendliness 68/100

react/react-native#58224 · 1 comment · Opened Aug 30, 2026
structuredClone invokes custom Map and Set iterators Open

Needs: Author Feedback Needs: Repro

Difficulty 3/5 1-2 days Newbie friendliness 68/100

react/react-native#58222 · 1 comment · Opened Aug 30, 2026
structuredClone coerces rejected values while creating DataCloneError Open

Needs: Author Feedback Needs: Repro

Difficulty 3/5 1-2 days Newbie friendliness 65/100

react/react-native#58220 · 1 comment · Opened Aug 30, 2026
structuredClone loses ArrayBuffer and typed-array data Open

Needs: Author Feedback Needs: Repro

Difficulty 4/5 3-5 days Newbie friendliness 52/100

react/react-native#58218 · 1 comment · Opened Aug 30, 2026
structuredClone loses own __proto__ data properties Open

Needs: Author Feedback Needs: Repro

Difficulty 3/5 1-2 days Newbie friendliness 58/100

react/react-native#58216 · 1 comment · Opened Aug 30, 2026
structuredClone loses specialized Error prototypes Open

Needs: Author Feedback Needs: Repro

Difficulty 3/5 1-2 days Newbie friendliness 70/100

react/react-native#58214 · 1 comment · Opened Aug 30, 2026
structuredClone accepts boxed Symbols as empty objects Open

Needs: Author Feedback Needs: Repro

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

react/react-native#58212 · 1 comment · Opened Aug 30, 2026
structuredClone turns boxed BigInt values into plain objects Open

Needs: Author Feedback Needs: Repro

Difficulty 2/5 1-3 hours Newbie friendliness 70/100

react/react-native#58210 · 1 comment · Opened Aug 30, 2026
structuredClone shortens sparse arrays with trailing holes Open

Needs: Author Feedback Needs: Repro

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

react/react-native#58208 · 1 comment · Opened Aug 30, 2026
structuredClone preserves Error cause references and drops falsy causes Open

Needs: Author Feedback Needs: Repro

Difficulty 3/5 1-2 days Newbie friendliness 55/100

react/react-native#58206 · 1 comment · Opened Aug 30, 2026
Reentrant structuredClone breaks outer circular references Open

Needs: Author Feedback Needs: Repro

Difficulty 3/5 1-2 days Newbie friendliness 62/100

react/react-native#58204 · 1 comment · Opened Aug 30, 2026
MessageQueue resolves inherited Object properties as callable modules Open

Needs: Author Feedback Needs: Repro

Difficulty 2/5 1-3 hours Newbie friendliness 70/100

react/react-native#58198 · 1 comment · Opened Aug 30, 2026
AppRegistry mishandles keys inherited from Object.prototype Open

Needs: Author Feedback Needs: Repro

Difficulty 3/5 1-2 days Newbie friendliness 68/100

react/react-native#58196 · 1 comment · Opened Aug 30, 2026
Fragment dispatch can leave its temporary target in the DOM Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

react/react#37455 · 1 comment · Opened Aug 30, 2026
Browser server task queue drains in quadratic time Open

Difficulty 3/5 1-2 days Newbie friendliness 60/100

react/react#37453 · Opened Aug 30, 2026
React Compiler loses negative zero through phi optimization and codegen Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

react/react#37447 · Opened Aug 30, 2026
React Compiler stack helpers overflow on deeply nested scopes Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

react/react#37445 · Opened Aug 30, 2026
Fizz renders ordered SuspenseList iterables as empty Open

Difficulty 3/5 1-2 days Newbie friendliness 72/100

react/react#37443 · Opened Aug 30, 2026
Child reconciliation does not close iterators when a yielded child throws Open

Difficulty 4/5 3-5 days Newbie friendliness 52/100

react/react#37441 · Opened Aug 30, 2026
Compiler gating wrappers drop extra arguments and call context Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

react/react#37439 · Opened Aug 30, 2026
Compiler set intersections always iterate the first input Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

react/react#37437 · Opened Aug 30, 2026
Compiler Result implementations reject valid variant-changing chains Open

Difficulty 2/5 1-3 hours Newbie friendliness 70/100

react/react#37435 · Opened Aug 30, 2026
Empty React keys skip the special-prop access warning Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

react/react#37433 · Opened Aug 30, 2026
Fizz resource caches break on object prototype keys Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

react/react#37431 · Opened Aug 30, 2026
Fizz copies class component props twice when applying defaults Open

Difficulty 2/5 1-3 hours Newbie friendliness 74/100

react/react#37429 · Opened Aug 30, 2026

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